/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2015 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.iso.channel;

import org.jpos.core.Configuration;
import org.jpos.core.ConfigurationException;
import org.jpos.iso.FSDISOMsg;
import org.jpos.iso.ISOException;
import org.jpos.iso.ISOMsg;
import org.jpos.iso.ISOUtil;
import org.jpos.util.FSDMsg;
import org.jpos.util.LogEvent;
import org.jpos.util.Logger;

import java.io.IOException;
import java.nio.charset.Charset;

public class FSDChannel extends NACChannel {
	String schema;
	Charset charset;

	@Override
	public ISOMsg createMsg() {
		FSDMsg fsdmsg = new FSDMsg(schema);
		fsdmsg.setCharset(charset);
		return new FSDISOMsg(fsdmsg);
	}

	@Override
	public void setConfiguration(Configuration cfg)
			throws ConfigurationException {
		super.setConfiguration(cfg);
		schema = cfg.get("schema");
		charset = Charset.forName(cfg.get("charset", ISOUtil.CHARSET.displayName()));
	}

	@Override
	public void send(ISOMsg m)
			throws IOException, ISOException {
		if (m instanceof FSDISOMsg) {
			FSDMsg fsd = ((FSDISOMsg) m).getFSDMsg();
			fsd.setCharset(charset);
		}
		super.send(m);
	}

	@Override
	protected int getMessageLength() throws IOException, ISOException {
		int len = super.getMessageLength();
		LogEvent evt = new LogEvent(this, "fsd-channel-debug");
		evt.addMessage("received message length: " + len);
		Logger.log(evt);
		return len;
	}
}

